I'm pretty sure it would not violate the first amendment. The FTC already limits what drug advertisers can say and what financial advertisers can say. Some prod

I'm pretty sure it would not violate the first amendment. The FTC already limits what drug advertisers can say and what financial advertisers can say. Some products like cigarettes can't even be advertised. Until fairly recently hedge funds were not allowed to advertise. I'm not sure why the FTC or SEC couldn't put the same rules in place (if it wanted) for trading platforms. https://www.jonesday.com/en/insights/2013/12/sec-lifts-longtime-ban-on-advertising-by-hedge-funds-private-equity-funds-and-other-private-investment-vehicles https://www.jonesday.com/en/insights/2013/12/sec-lifts-longt...